Home / Series / Hybrid Librarian / Aired Order / Season 2013 / Episode 16

History's 10 Most Legendary Uncracked Codes

Ten of the most mysterious ciphers in history... and even eleven!

English
  • Originally Aired November 22, 2013
  • Runtime 10 minutes
  • Network YouTube
  • Created July 16, 2016 by
    Administrator admin
  • Modified July 16, 2016 by
    Administrator admin